Product Details + A stunning creation by mid-century Montreal jeweler Vack, C. 1960's. ID#: RG126Materials: 18k yellow gold settingStones: Lapis lazuli lozenge-shaped cabochon cut, quality; AAAItem Weight: 16.7 gramsRing Size: 5-3/4Condition: ExcellentMarkings: '750' 'Vack'